312142134022402 has 16 divisors (see below), whose sum is σ = 468518996002680. Its totient is φ = 155969137204992.

The previous prime is 312142134022399. The next prime is 312142134022409. The reversal of 312142134022402 is 204220431241213.

It can be written as a sum of positive squares in 4 ways, for example, as 162546460895641 + 149595673126761 = 12749371^2 + 12230931^2 .

It is not an unprimeable number, because it can be changed into a prime (312142134022409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390997624 + ... + 391795132.

Almost surely, 2^{312142134022402} is an apocalyptic number.

312142134022402 is a deficient number, since it is larger than the sum of its proper divisors (156376861980278).

312142134022402 is a wasteful number, since it uses less digits than its factorization.

312142134022402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925077.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 312142134022402 its reverse (204220431241213), we get a palindrome (516362565263615).

The spelling of 312142134022402 in words is "three hundred twelve trillion, one hundred forty-two billion, one hundred thirty-four million, twenty-two thousand, four hundred two".